恒安防爆听针（听棒）均采用国标铜合金防爆工具材质，柔韧度好，强度高，机械性能稳定，听漏效果更准确，该听棒防爆性能均达到防爆II类C级和B级标准。
防爆听针规格：

Number/货号	L mm	Φ mm
381-1002 381-1004 381-1006 381-1008	300 350 450 500	6 8 7 10
381-1010	600	10
381-1012	700	10
381-1014	750	10
381-1016	800	10
381-1018	900	10
381-1020	1000	10
381-1022	1200	10

恒安防爆听针（听棒）均采用国标铜合金防爆工具材质，柔韧度好，强度高，机械性能稳定，听漏效果更准确，该听棒防爆性能均达到防爆II类C级和B级标准。

直径：6,8,7,10mm，长度： 300,350,450,500,600,700,750,800,900,1000,1200mm.

听针链接
www.btjncy.com/fbqt/tz.html
www.fbslhl.com/tz/
www.fhjjc.com/tzgj/tyb.html
www.fhjjc.com/fbqt/392.html
www.fbslhl.com/tz/fbttz.html
www.fbslhl.com/tz/bxgtlb.html
www.fbslhl.com/tz/bxfbtb.html
www.fbslhl.com/tz/bxgtz.html
www.fbslhl.com/fbgjqt/fbtyb.html
www.hyhags.com/fbgjqt/145.html
www.hyhags.com/fbgjqt/153.html
www.hyhags.com/fbgjqt/174.html
www.hyhags.com/fbgjqt/164.html
www.hyhags.com/fbgjqt/169.html